For Gem Enthusiasts

Fibrous pectolite has long been a curiosity for gem collectors. Compact material can make wonderful cabochons, and transparent crystals are…

Although pearls are one of humanity’s most ancient gems, natural undersea beds of pearl-producing oysters now occur very rarely. Cultured…

You’ll find gem cutting acronyms like L/W in faceting guides. Learn what these frequently used terms mean and how they can save gem cutters time…

Novice gemologists and jewelers may find appraising pearls difficult. Our guide will show you how to appraise and grade different types of cultured…

To date, only one locality — Mont St. Hilaire, Quebec, Canada — has produced facetable serandite. These extremely rare gems are very small…

With dark bodies and colorful sheens, beautiful Tahitian pearls have mesmerized jewelry lovers for decades. Learn more about these and other…